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Finding the Fourth Proportional to 101,402.16, 139,788.60 and 69,520.56

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Solution

The fourth proportional to 101,402.16, 139,788.60 and 69,520.56 is: 95,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,402.16 : 139,788.60 = 69,520.56 : x
  2. Step 2: Convert to fraction form
    101,402.16/139,788.60 = 69,520.56/x
  3. Step 3: Cross multiply
    101,402.16x = 139,788.60 × 69,520.56
  4. Step 4: Simplify right side
    101,402.16x = 9,718,181,753.62
  5. Step 5: Solve for x
    x = 9,718,181,753.62/101,402.16
  6. Step 6: Final answer
    x = 95,838.02

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